Home / 90,655.38-124,974.49-63,714.27

Finding the Fourth Proportional to 90,655.38, 124,974.49 and 63,714.27

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Solution

The fourth proportional to 90,655.38, 124,974.49 and 63,714.27 is: 87,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,655.38 : 124,974.49 = 63,714.27 : x
  2. Step 2: Convert to fraction form
    90,655.38/124,974.49 = 63,714.27/x
  3. Step 3: Cross multiply
    90,655.38x = 124,974.49 × 63,714.27
  4. Step 4: Simplify right side
    90,655.38x = 7,962,658,398.97
  5. Step 5: Solve for x
    x = 7,962,658,398.97/90,655.38
  6. Step 6: Final answer
    x = 87,834.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.